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Iridium Extreme® PTT Satellite Phone


The Iridium Extreme® Push-to-Talk (PTT) is the device for global dependability, adaptability and durability. Only Iridium can deliver the power of fast, simple and secure group communication with the toughest, most feature-rich PTT-enabled satellite phone on the market.

SKU: NSI-IRID-ExtPTT Category:

The Iridium Push-to-Talk (PTT) service with Iridium Extreme PTT features global, real-time, interoperable group communication with one push of a button. Iridium PTT is simple to set up and adjust as your needs change. Using the Iridium PTT Command Center, you can define coverage areas and user talk groups quickly and easily. As situations evolve, you are able to make changes on the fly that are carried out within seconds – it’s the ultimate in adaptability and responsiveness.

  • Everything offered within the Iridium Extreme® plus push-to-talk functionality
  • Global PTT capabilities and configurable talk groups
  • GPS-enabled location-based services
  • SOS access in Phone Mode
  • Forensically examined – for any embedded spyware or malware, by digital forensic experts at NSI Global Counter Intelligence


*Please note: use of satellite telecommunications services and devices may be prohibited or restricted in some countries.

What’s in the box?

  • SIM Card not included – Please contact NSI for plans
  • Iridium Extreme PTT handset with high capacity battery
  • Travel Charger with International Adapters
  • Car Charger
  • Leather Case
  • USB Data Cable
  • Accessory Adapters (2x)
  • Magnetic Vehicle-mount Antenna with 5’ Cable
  • Hands-free Earpiece with Microphone


  • 140 mm (L) x 60 mm (W) x 27 mm (D)


  • 247 g (8.7 oz)


  • 200 character illuminated graphic display
  • Volume, signal and battery strength meters
  • Illuminated weather-resistant keypad
  • Diamond treaded, taper grip for in-hand ergonomics
  • Mini-USB data port


  • Operating Temperature Range: -10 °C to +55 °C


  • Integrated speakerphone
  • Quick-connect to Iridium voicemail
  • Two-way SMS and short email capability
  • Pre-programmable International Access Code (00 or +)
  • Mailbox for voice, numeric & text messages
  • Selectable ring and alert tones (8 choices)
  • 100 entry internal address book, with capacity for multiple phone numbers, email addresses and notes
  • SIM-based address book with 155 entry capacity
  • Call history retains received, missed and dialled calls


  • Phone Mode battery duration – Standby: Up to 54 hours; Talk time: Up to 6.5 hours
  • PTT Mode battery duration – Standby: Up to 16.5 hours; Talk time: Up to 5 hours

Data Network

  • 2.4 kbps dial-up
  • Use of email, weather, tracking and routing via XGate and Predict App

Usage Control Features

  • User-configurable call timers to manage costs
  • Keypad lock and PIN lock for additional security
  • Intelligently designed Push-to-Talk mode
  • Expanded loudspeaker
  • Reinforced PTT button
  • Extended capacity battery


  • Coverage areas, device security, and talk-group configuration can all be adjusted over-the-air as needed by administrators using the Web-based Iridium Push-to-Talk (PTT) Command Center tool, simplifying support and maintenance of devices deployed in the field